If $M = 72$ and $\bar{x} = 70$,then $Z = \ldots \ldots \ldots \ldots$
- A$74$
- B$76$
- C$68$
- D$75$
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Similar Questions
$Z - M = \ldots \ldots \ldots \times (M - \bar{x})$
Easy
View SolutionFind the mean of the following data by all the three methods:
Class $50-70$ $70-90$ $90-110$ $110-130$ $130-150$ $150-170$ Frequency $10$ $18$ $7$ $6$ $5$ $4$
| Class | $50-70$ | $70-90$ | $90-110$ | $110-130$ | $130-150$ | $150-170$ |
| Frequency | $10$ | $18$ | $7$ | $6$ | $5$ | $4$ |
Medium
View SolutionFind the mean,median and mode of the following frequency distribution:
Class $5-10$ $10-15$ $15-20$ $20-25$ $25-30$ $30-35$ Frequency $11$ $20$ $35$ $20$ $8$ $6$
| Class | $5-10$ | $10-15$ | $15-20$ | $20-25$ | $25-30$ | $30-35$ |
| Frequency | $11$ | $20$ | $35$ | $20$ | $8$ | $6$ |
Difficult
View SolutionFor some given data,if $\bar{x} + Z = 37.5$ and $\bar{x} - Z = 1.5$,then $M = \ldots$
Easy
View SolutionFor the following distribution:
Class $0-5$ $5-10$ $10-15$ $15-20$ $20-25$ Frequency $10$ $15$ $12$ $20$ $9$
the sum of the lower limits of the median class and the modal class is:
| Class | $0-5$ | $5-10$ | $10-15$ | $15-20$ | $20-25$ |
| Frequency | $10$ | $15$ | $12$ | $20$ | $9$ |
the sum of the lower limits of the median class and the modal class is:
Medium
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